#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("submultimi.in");
ofstream fout("submultimi.out");

#define lim (1<<n)
int n,mask,aux;

int main()
{
    fin>>n;

    for(mask=1; mask<lim; mask++)
    {
        for(aux=1; aux<=n; aux++)
            if(mask&(1<<(aux-1)))
                fout<<aux<<' ';
        fout<<'\n';
    }

    fin.close();
    fout.close();
    return 0;
}